Chris Muir

No really, it has! You can find my new Oracle blog here. For the record this older blog will stay to allow readers to continue to benefit from the existing posts. I hope to see you on the new blog! ... (more)

A New Year has brought a desire for new challenges. As a result early in the year I'll be taking on a new role as a product manager for ADF at Oracle Corporation. The decision to move was certainly a difficult one. I've had an excellent 10+ years at SAGE Computing Services under ... (more)

One of my talented colleagues discovered an interesting ADF logic bomb which I thought I'd share here. The issue is with the instantiation order of ADF Faces scoped beans in JDev 11g when using Bounded Task Flows embedded as regions in another page. Regular readers would be famil... (more)

As software applications grow, a common technique to reduce the complexity is to break the overall solution into separately built and deployed modules. This allows each component to be worked on independently without being overwhelmed with detail, though the cost of reassembling ... (more)

There’s a rather obscure JDeveloper bug that only effects IE7, for af:columns in af:tables that show af:outputText fields based on dates that are null (phew, try and say that with a mouth full of wheaties). It occurs in 11.1.1.4.0 and 11.1.2.0.0 (and all versions in between it’s ... (more)

Within JDev 11g+ experienced ADF programmers will be familiar with PageFlowScope beans used by tasks flows, in particular Bounded Task Flows (BTFs) where they provide the equivalent of session scope for variables for the life of the BTF for a specific user session. Indeed the Ora... (more)

With the huge amount of sessions at Oracle Open World, it’s often hard to find the little gems of information amongst all the marketing. This is true of ADF like all other technologies at the conference, there’s simply a lot of information to digest and filter. Luckily Oracle pub... (more)

From time to time in JSF and ADF Faces RC applications there’s the need from one managed bean to retrieve another, typically from a lesser scoped bean to a greater, such as a requestScope bean retrieving a sessionScope bean to access its methods. There’s essentially three avenue... (more)

If you're heading to OOW this year, it'd be great to have you at either one of my following presentations: Session ID: 02240 Session Title: Angels in the Architecture: An Oracle Application Development Framework Architectural Blueprint Venue / Room: Marriott Marquis - Golden Gate B... (more)

With the explosion of Internet content, especially that for the IT industry, it leaves an interesting question hanging over the worth (if any) of IT textbooks. When you can find an answer on just about anything online, what’s the point of shelling out money, especially for IT tex... (more)

There are very few pieces of software where a casual approach can be taken to the process of software development. Software development is intrinsically a difficult process, gathering requirements, design, development and testing all taking large effort. In reaction enterprises h... (more)

In my post from last week I documented the changing behaviour of task flows and Application Module nesting between the 11.1.2.0.0 and 11.1.1.X.0 series of ADF & JDeveloper. In that post I detected a distinct change in the underlying behaviour of how ADF works with ADF BC Applicat... (more)

In a previous blog post I discussed the concept of automated nesting of Application Modules (AMs) when using Bounded Task Flows (BTFs) with a combination of the transactional options Always Begin New Transaction, Always Use Existing Transaction and Use Existing Transaction if pos... (more)

What's one of the worst things about attending Oracle Open World? From my point of view it's the huge amount of marketing. Booooorrrring. I'm a developer, I want to hear technical stuff, not sales talk!! For ADF developers attending OOW in 2011 this is all set to change. Not only ... (more)

The previous blog post in this series looked at the default behaviour of the ADF framework in 11.1.1.4.0 of the af:region tag embedded in a af:showDetailItem tag. In this post we'll look at programmatically controlling the activation of regions to stop unnecessary processing. Thi... (more)

ADF's af:showDetailItem tag is used as a child to parent tags such as the af:panelAccordion and af:panelTabbed. JDeveloper's online documentation states the following about the af:showDetailItem tag: The showDetailItem component is used inside of a panelAccordion or panelTabbed ... (more)

The previous blog posts in this series (part 1 and part 2) looked at the behaviour of the af:region tag embedded in a af:showDetailItem tag with JDeveloper 11.1.1.4.0. This post investigates the changing nature of the "deferred" activation property for the underlying af:region ta... (more)

(With apologies, apart of the beginning of this post has been chopped off during copy & paste. I'll rectify tonight) Yet as the old saying goes, "with power comes great responsibility", or alternatively, "the devil is in the detail". Developers need to have a good grasp of the ta... (more)

JDev 11.1.1.5.0 In my previous blog post I discussed the power of the ADF task flow functionality, and the devil in the detail for uninitiated developers using the transaction and data control scope options. This post will extend the discussion on task flows and the ADF Controlle... (more)

I'm happy to announce that three key participants of the ADF EMG will be presenting alongside Oracle staff at the upcoming "OTN Virtual Developer Day - Rich Enterprise Applications" .... a virtual conference on all things "ADF" in early May, open to the general public. Jean-Marc ... (more)